Plastic clamp



FIG. 1 is a perspective view of a plastic clamp showing my new design in its clamping position;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a side elevational view thereof shown in its fully retracted non-clamping position. 

The ornamental design for a plastic clamp, as shown and described. 